Ignore this one one... will rework it --- Christian Gmeiner, MSc
2012/8/31 Christian Gmeiner christian.gmeiner@gmail.com:
We need to set the DC register visibility before we can call stdvga_set_mode().
Signed-off-by: Christian Gmeiner christian.gmeiner@gmail.com
vgasrc/geodevga.c | 41 +++++++++++++++++++++++++++++++++++++++++ vgasrc/geodevga.h | 1 + 2 files changed, 42 insertions(+)
diff --git a/vgasrc/geodevga.c b/vgasrc/geodevga.c index bff856a..dab2b2a 100644 --- a/vgasrc/geodevga.c +++ b/vgasrc/geodevga.c @@ -170,6 +170,47 @@ static void dc_unmap(void) dc_map(0); }
+/****************************************************************
- Mode setting
- ****************************************************************/
+int geodevga_set_mode(struct vgamode_s *vmode_g, int flags) +{
- /* we need set the DC register visibility within the standard
* VGA memory space (0xA0000 - 0xBffff).
*
* bit:
* 7:3 RSVD
* 2:1 VG_RG_MAP
* 00: Disabled
* 01: 0xA0000
* 10: 0xB0000
* 11: 0xB8000
* 0 PACK_CH4
*/
- u8 reg;
- switch (vmode_g->sstart) {
- case SEG_GRAPH:
reg = 0x02;
break;
- case SEG_MTEXT:
reg = 0x04;
break;
- case SEG_CTEXT:
reg = 0x06;
break;
- default:
reg = 0x00;
break;
- }
- stdvga_crtc_write(VGAREG_VGA_CRTC_ADDRESS, EXTENDED_MODE_CONTROL, reg);
- return stdvga_set_mode(vmode_g, flags);
+}
/****************************************************************
- Init Functions
diff --git a/vgasrc/geodevga.h b/vgasrc/geodevga.h index fd7ce43..86f5d48 100644 --- a/vgasrc/geodevga.h +++ b/vgasrc/geodevga.h @@ -71,5 +71,6 @@ #define DC_CFG_MSK 0xf000a6
int geodevga_init(); +int geodevga_set_mode(struct vgamode_s *vmode_g, int flags);
#endif
1.7.11.rc2.5.g68f532f